Explain how you can change the standard price in the master material?

The standard price for the material data cannot be updated or changed directly. However, to change the standard price you can perform the following steps
 • Fill in the future fields price ( MBEW-ZKPRS ) and the effective data ( MBEW-ZKDAT) for the materials
• Select Logistics > Material Management > Valuation > Valuation Price Determination > Future Price.